[jdk21u-dev] RFR: 8339648: ZGC: Division by zero in rule_major_allocation_rate

[Matthias Baesken]

8339648: ZGC: Division by zero in rule_major_allocation_rate

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Commit messages:
 - Backport 80db6e71b092867212147bd369a9fda65dbd4b70

Changes: https://git.openjdk.org/jdk21u-dev/pull/1022/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1022&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339648
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1022.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1022/head:pull/1022

PR: https://git.openjdk.org/jdk21u-dev/pull/1022